EP3979292A4 - Direct-current circuit breaker - Google Patents

Direct-current circuit breaker Download PDF

Info

Publication number
EP3979292A4
EP3979292A4 EP20813702.6A EP20813702A EP3979292A4 EP 3979292 A4 EP3979292 A4 EP 3979292A4 EP 20813702 A EP20813702 A EP 20813702A EP 3979292 A4 EP3979292 A4 EP 3979292A4
Authority
EP
European Patent Office
Prior art keywords
direct
circuit breaker
current circuit
current
breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20813702.6A
Other languages
German (de)
French (fr)
Other versions
EP3979292A1 (en
Inventor
Kohei MATSUMURA
Nobumoto TOYA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to EP23151994.3A priority Critical patent/EP4187572A1/en
Publication of EP3979292A1 publication Critical patent/EP3979292A1/en
Publication of EP3979292A4 publication Critical patent/EP3979292A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/341—Barrier plates carrying electrodes
EP20813702.6A 2019-05-28 2020-05-20 Direct-current circuit breaker Pending EP3979292A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23151994.3A EP4187572A1 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019099017 2019-05-28
PCT/JP2020/019864 WO2020241397A1 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23151994.3A Division EP4187572A1 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker

Publications (2)

Publication Number Publication Date
EP3979292A1 EP3979292A1 (en) 2022-04-06
EP3979292A4 true EP3979292A4 (en) 2022-10-19

Family

ID=73552206

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20813702.6A Pending EP3979292A4 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker
EP23151994.3A Pending EP4187572A1 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23151994.3A Pending EP4187572A1 (en) 2019-05-28 2020-05-20 Direct-current circuit breaker

Country Status (3)

Country Link
EP (2) EP3979292A4 (en)
JP (1) JP6890732B2 (en)
WO (1) WO2020241397A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114360979A (en) * 2021-12-17 2022-04-15 北京中车赛德铁道电气科技有限公司 Arc extinguishing grid structure
FR3131798A1 (en) * 2022-01-10 2023-07-14 Alstom Holdings Arc fragmentation and extinguishing fireback and fireplace including it
WO2023136528A1 (en) * 2022-01-13 2023-07-20 엘에스일렉트릭 (주) Arc extinguishing unit of molded case circuit breaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020113A (en) * 1978-04-28 1979-11-07 Inst Vysokikh Temperatur Akade Electromagnetic arc extinction apparatus for switchgear or fusegear
JPH05290682A (en) * 1992-04-10 1993-11-05 Meidensha Corp Dc high speed circuit breaker
US20130037520A1 (en) * 2010-04-16 2013-02-14 Abb Technology Ag Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
CN105470067A (en) * 2015-12-29 2016-04-06 浙江天正电气股份有限公司 Breaker provided with arc extinguishing mechanism with magnetic blowing and air-blowing functions
JP6516078B1 (en) * 2018-02-01 2019-05-22 三菱電機株式会社 Circuit breaker and circuit breaker method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162579A (en) * 1980-05-19 1981-12-14 Sanyo Electric Co Ltd Magnetic video recording and reproducing method
JPS6282616A (en) 1985-10-08 1987-04-16 寺崎電気産業株式会社 Arc extinguisher
JPS61190828A (en) 1986-02-03 1986-08-25 株式会社日立製作所 Circuit breaker
JPS63108623A (en) * 1986-06-03 1988-05-13 三菱電機株式会社 Switch
JPS63257138A (en) * 1987-04-13 1988-10-25 三菱電機株式会社 Arc distinguisher for circuit breaker
JP4231642B2 (en) * 2001-11-29 2009-03-04 エナジーサポート株式会社 Arc extinguishing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020113A (en) * 1978-04-28 1979-11-07 Inst Vysokikh Temperatur Akade Electromagnetic arc extinction apparatus for switchgear or fusegear
JPH05290682A (en) * 1992-04-10 1993-11-05 Meidensha Corp Dc high speed circuit breaker
US20130037520A1 (en) * 2010-04-16 2013-02-14 Abb Technology Ag Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
CN105470067A (en) * 2015-12-29 2016-04-06 浙江天正电气股份有限公司 Breaker provided with arc extinguishing mechanism with magnetic blowing and air-blowing functions
JP6516078B1 (en) * 2018-02-01 2019-05-22 三菱電機株式会社 Circuit breaker and circuit breaker method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020241397A1 *

Also Published As

Publication number Publication date
JPWO2020241397A1 (en) 2021-09-13
EP4187572A1 (en) 2023-05-31
WO2020241397A1 (en) 2020-12-03
EP3979292A1 (en) 2022-04-06
JP6890732B2 (en) 2021-06-18

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